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Finding the Fourth Proportional to 14,541.03, 21,820.50 and 5,776.65

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Solution

The fourth proportional to 14,541.03, 21,820.50 and 5,776.65 is: 8,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541.03 : 21,820.50 = 5,776.65 : x
  2. Step 2: Convert to fraction form
    14,541.03/21,820.50 = 5,776.65/x
  3. Step 3: Cross multiply
    14,541.03x = 21,820.50 × 5,776.65
  4. Step 4: Simplify right side
    14,541.03x = 126,049,391.33
  5. Step 5: Solve for x
    x = 126,049,391.33/14,541.03
  6. Step 6: Final answer
    x = 8,668.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.